ABSTRACT
Brick manhole; excavate pit including earthwork support and working space disposal of surplus spoil to dump on site not exceeding 100m; lay concrete (1:2:4) base 1500mm diameter × 200mm thick; reinforced with mesh reinforcement; 110mm vitrified clay channels; benching in concrete (1:3:6) allowing one outlet and two inlets for 110mm diameter pipe; construct inspection chamber 1 brick thick walls of engineering brick Class B; backfill with excavated material; complete with 2 nr cast iron step irons 1200×1200×1200mm
cover slab of precast concrete each 1025.00 access cover; Group 2; 600×450mm each 1050.00
1200×1200×1500mm access cover; Group 2; 600×450mm each 1275.00 recessed cover 5 tonne load; 600× 450mm; filled with block paviors each 1425.00
1200×1200×2000mm; Walls 327.5 thick access cover; Group 2; 600×450mm each 2000.00 recessed cover 5 tonne load; 600× 450mm; filled with block paviors each 2150.00
1500×1500×2500mm; Walls 327.5 thick access cover; Group 2; 600×450mm each 3200.00 recessed cover 5 tonne load; 600× 450mm; filled with block paviors each 3300.00
ACCESS CHAMBERS
Excavate inspection chamber by machine; lay base of concrete 150 thick; allow for half section pipework and benchings Precast concrete inspection chamber
600× 400×600mm deep nr 350.00 600× 400×900mm deep nr 380.00
Polypropylene inspection chamber Mini access chamber 600 deep nr 280.00 475mm diameter × 900mm deep; polymer cover nr 445.00 475mm diameter × 900mm deep; ductile iron cover with screw down lid nr 475.00
GULLIES
Gullies; vitrified clay; excavate by hand; supply and set gully in concrete (C10P); connect to drainage system with flexible joints; backfilling with excavated material to 250mm below finished level. Lay 150mm type 1 to receive surface treatments (not included) Trapped mud (dirt) gully; complete with galvanized bucket and cast iron hinged locking grate and frame
loading to 1 tonne; 100 or 150mm outlet each 345.00 loading to 5 tonne; 100mm outlet each 390.00 loading to 5 tonne; 150mm outlet each 405.00
Trapped mud (dirt) gully with rodding eye; complete with galvanized bucket and cast iron hinged locking grate and frame
100 outlet; 300mm internal diameter; 300mm internal depth each 340.00 150 outlet; 400mm internal diameter; 750mm internal depth each 365.00
Excluding site overheads and profit
GULLIES – cont
Concrete road gully Excavate and lay 100mm concrete base (1:3:6) 150 x150mm to suit given invert level of drain; supply and connect trapped precast concrete road gully set in concrete surround; connect to vitrified clay drainage system with flexible joints; supply and fix straight bar dished top cast iron grating and frame; bedded in cement: sand mortar (1:3)
450mm diameter × 1.07m deep with 160mm outlet each 210.00
Gullies PVC-u Excavate and lay 100mm concrete (C20P) base 150×150mm to suit given invert level of drain; connect to drainage system; backfill with DoT Type 1 granular fill; install gully; complete with cast iron grate and frame
yard gully 300mm diameter × 600mm deep each 340.00 trapped PVC-u gully; 110mm diameter × 215mm deep; ductile iron frame each 170.00 bottle gully 228×228×642mm deep each 150.00 bottle gully 228×228×317mm deep each 135.00
PIPE LAYING
PVC-u pipe laying; excavate trench 300mm wide by excavator; lay bedding; backfill to 150mm above pipe with gravel rejects; backfill with excavated material to ground level; lay surface water drain pipe to depth shown Trench 900mm deep; pipe 640-590mm deep; bedding on reject sand
110mm m 17.80 110mm; short lengths m 19.50 160mm m 28.00 160mm; short lengths m 45.00
Trench 900mm deep; pipe 640-590mm deep; bedding on 20mm shingle 110mm m 22.00 110mm; short lengths m 24.00 160mm m 32.50 160mm; short lengths m 49.00
Trench 1.20m deep; pipe 940-890mm deep; bedding on reject sand 110mm m 29.50 110mm; short lengths m 42.00 160mm m 50.00 160mm; short lengths m 67.00
Trench 1.20m deep; pipe 940-890mm deep; bedding on 20mm shingle 110mm m 29.50 110mm; short lengths m 42.00 160mm m 50.00 160mm; short lengths m 67.00
Vitrified clay pipe laying; excavate trench by excavator; lay bedding; backfill to 150mm above pipe with gravel rejects; backfill with excavated material to ground level; lay surface water drain pipe to depth shown Trench 900mm deep; pipe 640-590mm deep; bedding on reject sand
100mm m 25.50 100mm; short lengths m 27.00 160mm m 43.00 160mm; short lengths m 49.00
Excluding site overheads and profit
Trench 900mm deep; pipe 640-590mm deep; bedding on 20mm shingle 110mm m 30.00 110mm; short lengths m 31.00 160mm m 47.00 160mm; short lengths m 53.00
Trench 1.20m deep; pipe 940-890mm deep; bedding on reject sand 110mm m 37.50 110mm; short lengths m 49.00 160mm m 65.00 160mm; short lengths m 71.00
Trench 1.20m deep; pipe 940-890mm deep; bedding on 20mm shingle 110mm m 37.00 110mm; short lengths m 49.00 160mm m 65.00 160mm; short lengths m 71.00
LINEAR DRAINAGE
Linear drainage to design sensitive areas Excavate trench by machine; lay Aco Brickslot channel drain on concrete base and surround to falls; all to manufacturers specifications
paving surround to both sides of channel m 200.00
Linear drainage to pedestrian area Excavate trench by machine; lay Aco MultiDrain MD polymer concrete channel drain on concrete base and surround to falls; all to manufacturers specifications; paving surround to channel with brick paving PC £300.00/1000
Brickslot galvanized grating; paving to both sides m 200.00 Brickslot stainless steel grating; paving to both sides m 370.00 slotted galvanized steel grating; paving surround to one side of channel m 140.00
Excavate trench by machine; lay Aco MultiDrain PPD recycled polypropylene channel drain on concrete base and surround to falls; all to manufacturers specifications; paving surround to channel with brick paving PC £300.00/1000
Heelguard composite black; paving surround to both sides of channel m 140.00
Linear drainage to light vehicular area Excavate trench by machine; lay Aco MultiDrain PPD recycled polypropylene channel drain on concrete base and surround to falls; all to manufacturers specifications; paving surround to channel with brick paving PC £300.00/1000
Heelguard composite black; paving surround to both sides of channel m 170.00 ductile iron; paving surround to both sides of channel m 240.00
Accessories for channel drain Sump unit with sediment bucket nr 180.00 End cap; inlet/outlet nr 17.20
